23061207591 has 12 divisors (see below), whose sum is σ = 35270082432. Its totient is φ = 14469777216.

The previous prime is 23061207581. The next prime is 23061207599. The reversal of 23061207591 is 19570216032.

23061207591 is a `hidden beast` number, since 2 + 3 + 0 + 61 + 2 + 0 + 7 + 591 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-23061207591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23061207599) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75363271 + ... + 75363576.

It is an arithmetic number, because the mean of its divisors is an integer number (2939173536).

Almost surely, 2^23061207591 is an apocalyptic number.

23061207591 is a deficient number, since it is larger than the sum of its proper divisors (12208874841).

23061207591 is a wasteful number, since it uses less digits than its factorization.

23061207591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150726870 (or 150726867 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 23061207591 in words is "twenty-three billion, sixty-one million, two hundred seven thousand, five hundred ninety-one".